I've never worked there and can't say for sure, but I have to assume that the broad strokes of their search engine are the same as Bing's. Bear in mind my respo

I've never worked there and can't say for sure, but I have to assume that the broad strokes of their search engine are the same as Bing's. Bear in mind my response above was a very very high-level description of a really complex system with tens of thousands of person-years of accumulated knowledge and experience inside it.